What is it?
What it is
FOSSBilling is a free, open-source billing and client management system built with PHP that helps online service businesses automate invoicing, payments, and client communication.
Why it exists
It exists to provide a self-hosted, extensible, and secure billing solution for web hosting providers, software licensing, digital downloads, and subscription services, reducing reliance on proprietary platforms.
Who should use it
Small to medium online service businesses, web hosting providers, and developers seeking a self-hosted, extensible billing platform built on PHP/MySQL.
Who should avoid it
Enterprises requiring mission-critical, fully supported billing SaaS, users uncomfortable with PHP server administration, or those needing advanced features out-of-the-box without customization.
How it works
A quick walkthrough in plain English
How FOSSBilling works
Step 1 of 3
You interact with it
Open FOSSBilling, send a request, or connect it to your stack.
Features
Advantages
- Free and open-source (Apache 2.0)
- Active community and contributions
- Extensible via plugins/extensions
- Supports various payment gateways
- Multi-language ready
- Responsive design works on any device
- Can be self-hosted with Docker
- Suitable for hosting, software licensing, digital downloads, subscriptions
- Public demo available for evaluation
- Regular CI and code quality checks
Disadvantages
- Currently in beta; may have rough edges
- Limited official support
- Requires self-hosting and server administration knowledge
- PHP/LAMP/LEMP stack dependency
- Feature set may be less comprehensive than commercial billing platforms
- Documentation may be incomplete due to active development
- Fewer third-party integrations compared to established solutions
Installation
FAQ
What is FOSSBilling and what does it do?
FOSSBilling is a free, open-source billing and client management system that helps online service businesses automate invoicing, payments, and client communication. It is popular with web hosting providers but also works for software licensing, digital downloads, and subscription services.
What are the key features of FOSSBilling?
Key features include automated billing and invoicing, client management, extensible architecture for integrations, support for multiple payment gateways, community-powered translations, a responsive UI for desktop and mobile, and a security‑focused codebase.
How do I get started with installing FOSSBilling?
FOSSBilling runs on standard LAMP/LEMP stacks. Check the official requirements page for PHP version, extensions, and database details, then follow the step‑by‑step Getting Started guide. You can also try the public demo to explore the software before installing.
How can I contribute to the FOSSBilling project?
Contributions are welcome. Read the contributor guide, pick an open issue, and submit a pull request when ready. For discussion, visit the community forum or join the Discord chat.
What license is FOSSBilling released under?
FOSSBilling is released under the Apache 2.0 license. See the LICENSE file in the repository for full details.
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